By Marta I. Litter, Roberto J. Candal, J. Martin Meichtry
Advanced Oxidation applied sciences (AOTs) or techniques (AOPs) are particularly new and cutting edge applied sciences to take away damaging and poisonous pollution. an important tactics between them are these utilizing gentle, resembling UVC/H2O2, photo-Fenton and heterogeneous photocatalysis with TiO2. those applied sciences also are particularly reasonably cheap and accordingly beneficial for nations lower than improvement, the place the cost-effective assets are scarcer than in built countries.
This e-book offers a state of the art evaluation on environmental purposes of complicated Oxidation applied sciences (AOTs) as sustainable, inexpensive and low-energy eating remedies for water, air, and soil. It comprises info on leading edge learn and improvement on TiO2 photocatalytic redox tactics, Fenton, Photo-Fenton techniques, zerovalent iron expertise, and others, highlighting attainable functions of AOTs in either constructing and industrialized nations all over the world within the framework of “A crosscutting and accomplished examine environmental problems”.
The ebook is aimed toward execs and teachers around the world, operating within the parts of water assets, water provide, environmental safety, and should be an invaluable info resource for selection and coverage makers and different stakeholders engaged on recommendations for environmental problems.
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Extra resources for Advanced Oxidation Technologies: Sustainable Solutions for Environmental Treatments (Sustainable Energy Developments)
Examples of non-conventional, advanced oxidation technologies (AOTs) and advanced reduction technologies (ARTs), as sustainable solutions for environmental treatments are presented, selected from recognized groups of different countries. AOTs are well known for their capacity for oxidizing and mineralizing almost any organic contaminant and transforming several inorganic pollutants strongly resistant to conventional treatments, such as metals and metalloids. The AOTs presented in this book are mainly TiO2 photocatalysis (HP) and photo-Fenton, but others like UV/H2 O2 , enzyme/H2 O2 , peracetic acid and UV photolysis are also exemplified.
2006), making the photo-Fenton process suitable for being driven by sunlight. 1 Hardware for solar AOPs The specific hardware needed for solar photocatalytic applications have much in common with those used for thermal applications. , 1999). 3. 5), main light absorbing gases and light absorption of Fe3+ species and TiO2 . solar radiation, and, therefore, the absorber must be UV-transparent, and ii) temperature higher than ambient does not play any significant role in the photocatalytic process and, therefore, no insulation is required.
Therefore, the main role of the chemical pretreatment is partial oxidation of the biologically persistent part to produce biodegradable reaction intermediates. The percentage of mineralization should be minimal during the pretreatment stage in order to avoid unnecessary expenditure of chemicals and energy, thereby lowering the operating cost. However, if the pretreatment time is too short, the reaction intermediates generated could still be structurally very similar to the original non-biodegradable and/or toxic components.